Timeline for Complete discrete valuation rings with residue field ℤ/p
Current License: CC BY-SA 2.5
5 events
| when toggle format | what | by | license | comment | |
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| Dec 26, 2009 at 22:19 | comment | added | Hailong Dao | You are right! In the problems I am working on, the increasing order of difficulty is almost always: contains a field < unramified <ramified, so I never thought of equicharacteristic as limit case of ramified. | |
| Dec 26, 2009 at 21:53 | comment | added | Bjorn Poonen | Taking g=0 leads to k[[x]]. To me it would make more sense to group k[[x]] with the ramified examples (in some sense, it is infinitely ramified: look at the valuation of p!) | |
| Dec 26, 2009 at 6:36 | history | edited | Hailong Dao | CC BY-SA 2.5 |
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| Dec 26, 2009 at 6:20 | history | edited | Hailong Dao | CC BY-SA 2.5 |
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| Dec 26, 2009 at 6:15 | history | answered | Hailong Dao | CC BY-SA 2.5 |